Which is cheaper, the Nivada Grenchen Antarctic Spider or the Sugess Ocean Star S421?

At MSRP the Sugess Ocean Star S421 is the cheaper of the two at $449, against $945 for the Nivada Grenchen Antarctic Spider — a $496 gap before any retailer discounting.

Which is bigger, the Nivada Grenchen Antarctic Spider or the Sugess Ocean Star S421?

The Sugess Ocean Star S421 wears larger at 40mm versus 38mm for the Nivada Grenchen Antarctic Spider — a 2mm difference across the dial.

Which has better water resistance, the Nivada Grenchen Antarctic Spider or the Sugess Ocean Star S421?

The Sugess Ocean Star S421 is rated to 300m versus 200m for the Nivada Grenchen Antarctic Spider.

Which has a longer power reserve, the Nivada Grenchen Antarctic Spider or the Sugess Ocean Star S421?

The Sugess Ocean Star S421 carries a 40-hour power reserve against 38 hours on the Nivada Grenchen Antarctic Spider.

What movement does the Nivada Grenchen Antarctic Spider run compared to the Sugess Ocean Star S421?

Both watches run automatic movements — the Nivada Grenchen Antarctic Spider uses the Sellita SW200 and the Sugess Ocean Star S421 uses the Seagull ST2130/Seiko NH35.

Side by side

Nivada Grenchen Antarctic SpidervsSugess Ocean Star S421

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Nivada Grenchen Antarctic Spider

Antarctic Spider

MSRP $945

Sugess Ocean Star S421

S421

MSRP $449

At a glance

12 of 29 specs differ

Diameter

Antarctic Spider38mm

Ocean Star S42140mm

Power Reserve

Antarctic Spider38h

Ocean Star S42140h

Water Resistance

Antarctic Spider200m

Ocean Star S421300m

MSRP

Antarctic Spider$945

Ocean Star S421$449

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Dial Color

White

SU116610LB Black

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

Sellita SW200

Seagull ST2130/Seiko NH35

Beat Rate

28,800 vph

4 vph

Power Reserve

38h

40h

Complications

GMT, Date

GMT, Chronograph, Moonphase, Date

Pricing

1 specs

MSRP

$945

$449

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